<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Position Test: Test position:sticky element with 100% left in a grid container</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-position/#sticky-pos">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1748891">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1835705">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="This test verifies that a position:sticky element with 100% left value does not cause the scrollbar to show when shrinking the width of its overflow container.">

<style>
#scroll {
  display: grid;
  width: 200px;
  height: 100px;
  overflow: auto;
  background: red;
}
.sticky {
  position: sticky;
  width: 100px;
  height: 100px;
  left: 100%;
  background: green;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div id="scroll">
  <div class="sticky"></div>
</div>

<script>
window.onload = () => {
  document.getElementById("scroll").style.width = "100px";
};
</script>
